Engine warm-up offsets
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United States of America Patent
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Jul 8, 2003
Grant Date -
Aug 22, 2002
app pub date -
Apr 18, 2002
filing date -
Jul 10, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of controlling an internal combustion engine during a warm-up period thereof including controlling at least one operational parameter of the engine as a function of at least a certain measure of the energy delivered to the engine since the start of the warm-up period of the engine to thereby provide improved combustion stability during said warm-up period. Preferably, the measure of the energy delivered to the engine is based on the amount of fuel delivered to the engine during the warm-up period.
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